58 REPTILES. 



The Chalcis. Chalcis flavescens. Chalcicles flavesceus, Bon- 

 nat, E. M. 67, t. 22 J. 3. Lacep. Q. O. i. 443, t. 32. Charasesau- 

 ra Copliias, Schneid. Amph. 209. Merrem, Tent. 75. Dum. et Bib. 

 E. G. V. 459. Chalcides tridactylus, and C. monodactylus, Daiul. 

 Rept. iv. 367, 370. Colobus Daiidinii, Merrem, Tent. 76. 



Scales of the back in 20, of the belly in 6, longitudinal series ; 

 preanal plates 4, 2 medial one before the other. 



Inhab. Tropical America, Guiana. Mus. Paris. 



4. Bachia. 



Head with no internasal nor interparietal plate, and with 2 

 very narrow palpebral shields. The fore feet with 3 small tuber- 

 cles like toes, the hind feet very narrow, undivided. Scales of the 

 back and sides 6-sided, narrow, smooth. Preanal plates 4, 2 mid- 

 dle one behind the other. 



The Chilian Chalcis. Bachia D'Orbignii. Chalcis D'Or- 

 bignii, Dum. et Bib. E. G. v. 462. 



The dorsal scales in 19 and the ventral ones in 6 longitudinal 

 series. 



Inhab. Chili, Santa Cruz. Mus. Paris, 1 specimen. 



S 



II. The sides rounded, covered with scales like the back. 



Fam. VII. Anadias, (Anadiad^). 



Head with regular many-sided shields. Ears distinct, tympa- 

 num rather sunken. Eyelids distinct, lower pellucid. Scales of 

 the back and sides squarish, 6-sided, thin, smooth, imbedded, not 

 overlapping, in alternating cross rings; of belly 4-sided, smooth; 

 of the tail 4-sided, smooth, in rings, one scale behind the other, so 

 as to form longitudinal series. Sides rounded, with scales like the 

 back. Scales of th^ throat square. Toes 5-5, unequal, clawed, ra- 

 ther depressed with a series of tubercles beneath. Nostrils in the 

 facial ridge, in the suture between 2 nasal shields. The temples 

 shielded. Preanal plates numerous, in 3 cross series. Femoral 

 pores numerous. 



1. Anadia. 



Toes 5-5, rather depressed. 



The Eyed Anadia. Anadia ocellata. 



Pale brown, bronzed, sides darker, with white-eyed black spots 

 in front, beneath silvery, rather iridescent. 



a. Adult, in spirits. Tropical America ?? 



